Key features of a comprehensive travel management tool include:

. Booking Management: Handles the booking of flights, hotels, car rentals, and other travel services in one place.

. Expense Tracking: Provides tools for tracking and managing travel expenses, including receipts and reimbursement processes.

. Itinerary Planning: Offers functionality for planning and organizing travel itineraries, including scheduling and coordination of travel elements.

. Reporting and Analytics: Generates reports and analytics on travel spending, booking trends, and user activity to inform decision-making.

. Integration with Other Systems: Integrates with other systems such as CRM, accounting, and communication tools to streamline operations.

Overall, booking management, expense tracking, itinerary planning, reporting and analytics, and integration with other systems are key features of a comprehensive travel management tool.